Knoxville Weather Forecast
- 72
- 91
Partly Sunny
- 72
- 92
Slight Chance Thunderstorms
- 67
- 88
Chance Thunderstorms
- 60
- 80
Mostly Sunny
- 60
- 82
Mostly Sunny
- 63
- 84
Mostly Sunny
Today 17 Aug Knox
Mostly sunny. Humid with Highs in the lower 90s. South Winds around 5 Mph, becoming southeast around 5 Mph in the afternoon. Heat index Values up to 106.
Tonight 17 Aug Knox
Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.
Knoxville Temperature Statistics
August Temperature
Galesburg Municipal Airport (7.5 miles)
Lowest 1 August, 2025
53.6 °FAverage August
72.6 °FHighest 8 August, 2025
87.4 °F
Climate (2020–Present)
Galesburg Municipal Airport (7.5 miles)
Average Low 2020–2025
41.2 °FAverage 2020–2025
51.3 °FAverage High 2020–2025
61.5 °F